Talk about your tough calls! It's the fourth game of the Eastern Conference playoffs, 1995. Alexei Kovalev of the Rangers is down, apparently unconscious. At the other end of the rink, the Nordiques star forward is rushing the net. Joe Sakic fans on the shot and Kovalev doesn't move. Andy van Hellemond, the game's most experienced referee, is somewhere in the middle, trying to decide what to do. Thinking that Sakic's rush has failed and worried about...